GCSE CHEMISTRY STRUCTURE AND BONDING EXAM REVISION
QUESTIONS WITH VERIFIED SOLUTIONS LATEST 2025 UPDATE.
Alloy - ANSWER- a mixture of two or more elements, at least one of which is a metal
Covalent bond - ANSWER- the bond between two atoms that share one or more pairs of
electrons
Covalent bonding - ANSWER- the attraction between two atoms that share one or more pairs
of electrons
Delocalised electron - ANSWER- bonding electron that is no longer associated with any one
particular atom
Dot and cross diagram - ANSWER- a drawing to show only the arrangement of outer shell
electrons of the atoms or ions in a substance
Fullerene - ANSWER- form of the element carbon that can exist as large cage-like structures,
based on hexagonal rings of carbon atoms
Gases - ANSWER- substances that have no fixed shape or volume and can be compressed
easily
Giant covalent structure - ANSWER- a huge 3D network of covalently bonded atoms
Giant lattice - ANSWER- a huge 3D network of atoms or ions
Giant structure - ANSWER- see giant lattice
QUESTIONS WITH VERIFIED SOLUTIONS LATEST 2025 UPDATE.
Alloy - ANSWER- a mixture of two or more elements, at least one of which is a metal
Covalent bond - ANSWER- the bond between two atoms that share one or more pairs of
electrons
Covalent bonding - ANSWER- the attraction between two atoms that share one or more pairs
of electrons
Delocalised electron - ANSWER- bonding electron that is no longer associated with any one
particular atom
Dot and cross diagram - ANSWER- a drawing to show only the arrangement of outer shell
electrons of the atoms or ions in a substance
Fullerene - ANSWER- form of the element carbon that can exist as large cage-like structures,
based on hexagonal rings of carbon atoms
Gases - ANSWER- substances that have no fixed shape or volume and can be compressed
easily
Giant covalent structure - ANSWER- a huge 3D network of covalently bonded atoms
Giant lattice - ANSWER- a huge 3D network of atoms or ions
Giant structure - ANSWER- see giant lattice
